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Tweaks to both of these programs.

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This commit is contained in:
Andrew McMillan 2007-11-14 15:35:21 +13:00
parent d327417aba
commit 00a7f64159
2 changed files with 25 additions and 2 deletions
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3
testing/sniffstream
View File

@ -53,9 +53,10 @@ while( <STDIN> ) {
$source = $2;
$dest = $3;
}
elsif ( /^\s+(0x....):\s(( [0-9a-f]{4}){1,8})/ ) {
elsif ( /^\s+(0x....):\s(( [0-9a-f]{4}){1,8})/i ) {
my $pos = hex($1);
my $hex = $2;
next unless defined($hex);
if ( $pos == 64 ) {
$hex = substr( $hex, 10 );

24
testing/watch-port-80.sh
View File

@ -3,4 +3,26 @@
PORT=${1:-"80"}
IFACE=${2:-"any"}
sudo tcpdump -i $IFACE -s0 -l -n -q -A "tcp port ${PORT} and (((ip[2:2] - ((ip[0]&0xf)<<2)) - ((tcp[12]&0xf0)>>2)) != 0)"
# Only include packets that contain data
NOTSYNFIN=" and (((ip[2:2] - ((ip[0]&0xf)<<2)) - ((tcp[12]&0xf0)>>2)) != 0)"
DUMP="tcp port ${PORT}"
IPCLAUSE=""
if [ "${IFACE}" != "any" ]; then
IP="`ip addr show dev wlan0 | grep ' inet ' | tr -s ' ' | cut -f3 -d' ' | cut -f1 -d'/'`"
IPCLAUSE=" and ((src host ${IP} and src port ${PORT}) or (dst host ${IP} and dst port ${PORT}))"
fi
DUMPFILE="dumps/`date '+%FT%T'`.dump"
# touch "${DUMPFILE}"
sudo tcpdump -i $IFACE -s0 -l -n -q -A "${DUMP}${NOTSYNFIN}${IPCLAUSE}" >"${DUMPFILE}" 2>&1 &
DUMPPID="$!"
less "${DUMPFILE}"
sudo kill "${DUMPPID}"
if [ "`stat --format='%s' \"${DUMPFILE}\"`" -le 230 ] ; then
rm "${DUMPFILE}"
fi